ALT5 Sigma Corp - ALTS
Detailed investor-level table based on 13F positions.
Early Q1 2026 data: only 7 institutional holders reported so far. The full shareholder list will grow as more funds file with the SEC.
Methodology:
Market value and % of portfolio use SEC reported VALUE ($000).
For PUT/CALL positions this reflects reported underlying exposure, not premium cash paid/received.
Details.
Rows: 0
| Investor | History | Status | Shares held | Market value ($000) | % of portfolio | Previous % | Rank | Change in shares | % change in shares | Source | Date reported |
|---|---|---|---|---|---|---|---|---|---|---|---|
| CRCM LP | History | Added to | 10,941,280 | 12,035 | 4.07% | 1.8% | 1 | +8,629,103 | 373.2% | Q4 2025 | Feb 13, 2026 |
| Diametric Capital, LP | History | Added to | 9,402,946 | 10,343 | 2.77% | 3.53% | 2 | +5,858,978 | 165.32% | Q4 2025 | Feb 13, 2026 |
| VANGUARD GROUP INC | History | Reduced | 5,856,146 | 6,441 | 0.0% | 0.0% | 3 | -270,249 | -4.41% | Q4 2025 | Jan 29, 2026 |
| PRELUDE CAPITAL MANAGEMENT, LLC | History | Added to | 5,055,089 | 5,560 | 0.41% | 0.48% | 4 | +2,744,329 | 118.76% | Q4 2025 | Feb 17, 2026 |
| BlackRock, Inc. | History | Added to | 3,162,021 | 3,478 | 0.0% | 0.0% | 5 | +1,587,485 | 100.82% | Q4 2025 | Feb 12, 2026 |
| JANE STREET GROUP, LLC | History | Reduced | 3,051,697 | 3,356 | 0.0% | 0.0% | 6 | -3,398,320 | -52.69% | Q4 2025 | Feb 12, 2026 |
| ExodusPoint Capital Management, LP | History | New | 2,254,910 | 2,480 | 0.02% | — | 7 | +2,254,910 | New | Q4 2025 | Feb 17, 2026 |
| UBS Group AG | History | Added to | 1,904,567 | 2,095 | 0.0% | 0.0% | 8 | +1,222,690 | 179.31% | Q4 2025 | Jan 29, 2026 |
| CITADEL ADVISORS LLC | History | Added to | 1,881,392 | 2,069 | 0.0% | 0.0% | 9 | +1,139,846 | 153.71% | Q4 2025 | Feb 17, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | History | Added to | 1,331,963 | 1,465 | 0.0% | 0.0% | 10 | +12,400 | 0.94% | Q4 2025 | Feb 09, 2026 |
| Jump Financial, LLC | History | No change | 1,000,000 | 1,100 | 0.01% | 0.03% | 11 | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | History | Reduced | 729,626 | 802 | 0.0% | 0.0% | 12 | -3,725,661 | -83.62% | Q4 2025 | Feb 17, 2026 |
| BARCLAYS PLC | History | Added to | 683,961 | 752 | 0.0% | 0.0% | 13 | +21,929 | 3.31% | Q4 2025 | Feb 13, 2026 |
| STATE STREET CORP | History | Reduced | 556,996 | 612 | 0.0% | 0.0% | 14 | -142,014 | -20.32% | Q4 2025 | Feb 13, 2026 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | History | Reduced | 510,948 | 562 | 0.0% | 0.0% | 15 | -210,808 | -29.21% | Q4 2025 | Feb 13, 2026 |
| XTX Topco Ltd | History | Added to | 489,500 | 538 | 0.01% | 0.02% | 16 | +366,801 | 298.94% | Q4 2025 | Feb 17, 2026 |
| 683 Capital Management, LLC | History | New | 480,308 | 528 | 0.02% | — | 17 | +480,308 | New | Q4 2025 | Feb 17, 2026 |
| MARSHALL WACE, LLP | History | New | 330,632 | 363 | 0.0% | — | 18 | +330,632 | New | Q4 2025 | Feb 13, 2026 |
| TWO SIGMA INVESTMENTS, LP | History | Reduced | 281,609 | 309 | 0.0% | 0.0% | 19 | -397,629 | -58.54% | Q4 2025 | Feb 17, 2026 |
| Caitong International Asset Management Co., Ltd | History | Added to | 247,154 | 271 | 0.07% | 0.07% | 20 | +210,574 | 575.65% | Q4 2025 | Mar 03, 2026 |
| NORTHERN TRUST CORP | History | No change | 243,194 | 267 | 0.0% | 0.0% | 21 | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| FNY Investment Advisers, LLC | History | Added to | 199,565 | 219 | 0.06% | 0.02% | 22 | +175,435 | 727.04% | Q4 2025 | Jan 16, 2026 |
| MILLENNIUM MANAGEMENT LLC | History | New | 192,148 | 211 | 0.0% | — | 23 | +192,148 | New | Q4 2025 | Feb 17, 2026 |
| OMERS ADMINISTRATION Corp | History | Reduced | 185,600 | 204 | 0.0% | 0.01% | 24 | -146,200 | -44.06% | Q4 2025 | Feb 13, 2026 |
| Marex Group plc | History | Reduced | 158,598 | 174 | 0.0% | 0.0% | 25 | -59,402 | -27.25% | Q4 2025 | Feb 12, 2026 |
| CITIGROUP INC | History | Added to | 150,520 | 165 | 0.0% | 0.0% | 26 | +44,305 | 41.71% | Q4 2025 | Feb 13, 2026 |
| Aristides Capital LLC | History | New | 141,200 | 155 | 0.03% | — | 27 | +141,200 | New | Q4 2025 | Feb 26, 2026 |
| Virtu Financial LLC | History | Reduced | 124,167 | 137 | 0.01% | 0.02% | 28 | -38,081 | -23.47% | Q4 2025 | Feb 23, 2026 |
| SG Americas Securities, LLC | History | New | 100,000 | 110 | 0.0% | — | 29 | +100,000 | New | Q4 2025 | Jan 09, 2026 |
| HRT FINANCIAL LP | History | New | 96,069 | 105 | 0.0% | — | 30 | +96,069 | New | Q4 2025 | Feb 12, 2026 |
| MORGAN STANLEY | History | Reduced | 89,549 | 98 | 0.0% | 0.0% | 31 | -11,717 | -11.57% | Q4 2025 | Feb 13, 2026 |
| Engineers Gate Manager LP | History | Added to | 69,573 | 76 | 0.0% | 0.0% | 32 | +57,603 | 481.23% | Q4 2025 | Feb 17, 2026 |
| Paloma Partners Management Co | History | Reduced | 60,000 | 66 | 0.01% | 0.25% | 33 | -494,540 | -89.18% | Q4 2025 | Feb 17, 2026 |
| BANK OF AMERICA CORP /DE/ | History | Reduced | 57,074 | 62 | 0.0% | 0.0% | 34 | -830,747 | -93.57% | Q4 2025 | Feb 17, 2026 |
| GOLDMAN SACHS GROUP INC | History | Added to | 52,632 | 57 | 0.0% | 0.0% | 35 | +15,731 | 42.63% | Q4 2025 | Mar 25, 2026 |
| Shay Capital LLC | History | Added to | 50,558 | 55 | 0.01% | 0.01% | 36 | +999 | 2.02% | Q4 2025 | Feb 17, 2026 |
| LPL Financial LLC | History | Added to | 44,479 | 48 | 0.0% | 0.0% | 37 | +4,430 | 11.06% | Q4 2025 | Feb 11, 2026 |
| Arkadios Wealth Advisors | History | Added to | 41,620 | 45 | 0.0% | 0.0% | 38 | +18,510 | 80.1% | Q4 2025 | Feb 13, 2026 |
| GROUP ONE TRADING LLC | History | Reduced | 39,314 | 43 | 0.0% | 0.0% | 39 | -436,236 | -91.73% | Q4 2025 | Feb 12, 2026 |
| Lighthouse Investment Partners, LLC | History | New | 39,600 | 43 | 0.0% | — | 41 | +39,600 | New | Q4 2025 | Feb 17, 2026 |
| Private Advisor Group, LLC | History | Added to | 39,857 | 43 | 0.0% | 0.0% | 40 | +17,000 | 74.38% | Q4 2025 | Feb 17, 2026 |
| BNP PARIBAS FINANCIAL MARKETS | History | New | 37,521 | 41 | 0.0% | — | 42 | +37,521 | New | Q4 2025 | Feb 10, 2026 |
| CAPTRUST FINANCIAL ADVISORS | History | Added to | 37,300 | 41 | 0.0% | 0.0% | 43 | +20,054 | 116.28% | Q4 2025 | Feb 17, 2026 |
| SIMPLEX TRADING, LLC | History | Reduced | 35,500 | 39 | 0.0% | 0.0% | 45 | -150,282 | -80.89% | Q4 2025 | Feb 11, 2026 |
| Federation des caisses Desjardins du Quebec | History | Reduced | 35,565 | 39 | 0.0% | 0.0% | 46 | -78,303 | -68.77% | Q4 2025 | Feb 12, 2026 |
| Jefferies Financial Group Inc. | History | Reduced | 36,195 | 39 | 0.0% | 0.0% | 44 | -1,905 | -5.0% | Q4 2025 | Feb 09, 2026 |
| Rangeley Capital, LLC | History | Reduced | 29,000 | 31 | 0.03% | 0.11% | 47 | -19,300 | -39.96% | Q4 2025 | Feb 17, 2026 |
| BALYASNY ASSET MANAGEMENT L.P. | History | New | 23,538 | 25 | 0.0% | — | 48 | +23,538 | New | Q4 2025 | Feb 17, 2026 |
| Tower Research Capital LLC (TRC) | History | Added to | 21,028 | 23 | 0.0% | 0.0% | 49 | +12,938 | 159.93% | Q4 2025 | Feb 17, 2026 |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | History | No change | 19,509 | 21 | 0.0% | 0.0% | 50 | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| Empowered Funds, LLC | History | No change | 19,509 | 21 | 0.0% | 0.0% | 51 | 0 | 0.0% | Q4 2025 | Feb 18, 2026 |
| RAYMOND JAMES FINANCIAL INC | History | Reduced | 16,992 | 18 | 0.0% | 0.0% | 52 | -3,000 | -15.01% | Q4 2025 | Feb 18, 2026 |
| Quadrature Capital Ltd | History | Reduced | 15,786 | 17 | 0.0% | 0.01% | 54 | -207,081 | -92.92% | Q4 2025 | Feb 17, 2026 |
| BANK OF MONTREAL /CAN/ | History | Added to | 15,641 | 17 | 0.0% | 0.0% | 53 | +1,681 | 12.04% | Q4 2025 | Feb 12, 2026 |
| NATIONAL BANK OF CANADA /FI/ | History | Reduced | 14,950 | 16 | 0.0% | 0.0% | 55 | -53,024 | -78.01% | Q4 2025 | Feb 17, 2026 |
| Schonfeld Strategic Advisors LLC | History | Reduced | 14,796 | 16 | 0.0% | 0.0% | 56 | -1,787 | -10.78% | Q4 2025 | Feb 17, 2026 |
| Harvest Portfolios Group Inc. | History | Reduced | 14,230 | 15 | 0.0% | 0.0% | 59 | -19,304 | -57.57% | Q4 2025 | Feb 06, 2026 |
| Savvy Advisors, Inc. | History | Reduced | 14,380 | 15 | 0.0% | 0.0% | 60 | -5,491 | -27.63% | Q4 2025 | Jan 20, 2026 |
| SCOTIA CAPITAL INC. | History | Added to | 13,800 | 15 | 0.0% | 0.0% | 57 | +3,800 | 38.0% | Q4 2025 | Feb 12, 2026 |
| Bank of New York Mellon Corp | History | No change | 14,318 | 15 | 0.0% | 0.0% | 58 | 0 | 0.0% | Q4 2025 | Feb 10, 2026 |
| FIRST CITIZENS BANK & TRUST CO | History | No change | 13,000 | 14 | 0.0% | 0.0% | 61 | 0 | 0.0% | Q4 2025 | Feb 18, 2026 |
| VICTORY CAPITAL MANAGEMENT INC | History | Reduced | 12,317 | 13 | 0.0% | 0.0% | 62 | -112 | -0.9% | Q4 2025 | Feb 13, 2026 |
| State of Wyoming | History | New | 11,299 | 12 | 0.0% | — | 65 | +11,299 | New | Q4 2025 | Feb 11, 2026 |
| COMMONWEALTH EQUITY SERVICES, LLC | History | Added to | 11,000 | 12 | 0.0% | 0.0% | 63 | +618 | 5.95% | Q4 2025 | Feb 12, 2026 |
| Arete Wealth Advisors, LLC | History | Added to | 10,510 | 12 | 0.0% | 0.0% | 64 | +10 | 0.1% | Q4 2025 | Feb 13, 2026 |
| FIFTH LANE CAPITAL, LP | History | New | 10,000 | 11 | 0.01% | — | 66 | +10,000 | New | Q4 2025 | Feb 13, 2026 |
| OSAIC HOLDINGS, INC. | History | No change | 5,900 | 6 | 0.0% | 0.0% | 67 | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| MAI Capital Management | History | Added to | 5,131 | 5 | 0.0% | 0.0% | 69 | +3,631 | 242.07% | Q4 2025 | Feb 13, 2026 |
| WELLS FARGO & COMPANY/MN | History | Reduced | 5,145 | 5 | 0.0% | 0.0% | 68 | -2,500 | -32.7% | Q4 2025 | Feb 13, 2026 |
| TD Waterhouse Canada Inc. | History | Reduced | 4,262 | 4 | 0.0% | 0.0% | 70 | -1,000 | -19.0% | Q4 2025 | Jan 27, 2026 |
| ROYAL BANK OF CANADA | History | New | 2,000 | 2 | 0.0% | — | 72 | +2,000 | New | Q4 2025 | Feb 17, 2026 |
| JONES FINANCIAL COMPANIES LLLP | History | Added to | 2,000 | 2 | 0.0% | 0.0% | 71 | +1,000 | 100.0% | Q4 2025 | Feb 17, 2026 |
| DELTA ASSET MANAGEMENT LLC/TN | History | No change | 1,400 | 1 | 0.0% | 0.0% | 73 | 0 | 0.0% | Q4 2025 | Feb 09, 2026 |
| Spire Wealth Management | History | No change | 1,000 | 1 | 0.0% | 0.0% | 74 | 0 | 0.0% | Q4 2025 | Jan 14, 2026 |
| NWI MANAGEMENT LP | History | Closed out | 0 | 0 | — | 0.26% | — | -1,800,000 | -100.0% | Q3 2025 | Dec 05, 2025 |
| Alyeska Investment Group, L.P. | History | Closed out | 0 | 0 | — | 0.01% | — | -1,746,020 | -100.0% | Q3 2025 | Nov 17, 2025 |
| Potrero Capital Research LLC | History | Closed out | 0 | 0 | — | 0.34% | — | -1,104,805 | -100.0% | Q3 2025 | Nov 14, 2025 |
| Point72 Asset Management, L.P. | History | Closed out | 0 | 0 | — | 0.0% | — | -400,000 | -100.0% | Q3 2025 | Nov 14, 2025 |
| RENAISSANCE TECHNOLOGIES LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -344,300 | -100.0% | Q3 2025 | Nov 13, 2025 |
| Centiva Capital, LP | History | Closed out | 0 | 0 | — | 0.01% | — | -232,726 | -100.0% | Q3 2025 | Nov 14, 2025 |
| TORNO CAPITAL, LLC | History | Closed out | 0 | 0 | — | 0.03% | — | -117,700 | -100.0% | Q3 2025 | Nov 14, 2025 |
| GARDNER LEWIS ASSET MANAGEMENT L P | History | Closed out | 0 | 0 | — | 0.05% | — | -78,975 | -100.0% | Q3 2025 | Nov 10, 2025 |
| TWO SIGMA SECURITIES, LLC | History | Closed out | 0 | 0 | — | 0.02% | — | -53,583 | -100.0% | Q3 2025 | Nov 14, 2025 |
| PEAK6 LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -50,001 | -100.0% | Q3 2025 | Mar 30, 2026 |
| Belvedere Trading LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -36,223 | -100.0% | Q3 2025 | Oct 27, 2025 |
| Private Capital Advisors, Inc. | History | Closed out | 0 | 0 | — | 0.01% | — | -31,000 | -100.0% | Q3 2025 | Nov 12, 2025 |
| Aptus Capital Advisors, LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -20,312 | -100.0% | Q3 2025 | Nov 12, 2025 |
| SIH Partners, LLLP | History | Closed out | 0 | 0 | — | 0.0% | — | -20,000 | -100.0% | Q3 2025 | Nov 14, 2025 |
| Lantern Wealth Advisors, LLC | History | Closed out | 0 | 0 | — | 0.02% | — | -13,500 | -100.0% | Q3 2025 | Nov 26, 2025 |
| Baird Financial Group, Inc. | History | Closed out | 0 | 0 | — | 0.0% | — | -10,500 | -100.0% | Q3 2025 | Nov 13, 2025 |
| PROFUND ADVISORS LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -10,366 | -100.0% | Q3 2025 | Nov 06, 2025 |
| Caitlin John, LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -2,300 | -100.0% | Q3 2025 | Nov 12, 2025 |
| Delos Wealth Advisors, LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -1,666 | -100.0% | Q3 2025 | Nov 14, 2025 |
| Farther Finance Advisors, LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -1,126 | -100.0% | Q3 2025 | Oct 14, 2025 |
| JPMORGAN CHASE & CO | History | New | 850 | 0 | — | — | — | +850 | New | Q4 2025 | Feb 11, 2026 |
| PRINCIPAL SECURITIES, INC. | History | Closed out | 0 | 0 | — | 0.0% | — | -500 | -100.0% | Q3 2025 | Nov 12, 2025 |
| Colonial Trust Co / SC | History | Closed out | 0 | 0 | — | 0.0% | — | -500 | -100.0% | Q3 2025 | Nov 10, 2025 |
| SIGNATUREFD, LLC | History | Added to | 420 | 0 | — | — | — | +390 | 1300.0% | Q4 2025 | Jan 20, 2026 |
| MassMutual Private Wealth & Trust, FSB | History | Closed out | 0 | 0 | — | — | — | -311 | -100.0% | Q3 2025 | Oct 22, 2025 |
| SBI Securities Co., Ltd. | History | New | 15 | 0 | — | — | — | +15 | New | Q4 2025 | Feb 03, 2026 |
| Truvestments Capital LLC | History | No change | 168 | 0 | — | — | — | 0 | 0.0% | Q4 2025 | Feb 13, 2026 |
| Golden State Wealth Management, LLC | History | No change | 30 | 0 | — | — | — | 0 | 0.0% | Q4 2025 | Feb 13, 2026 |
| WOLFF WIESE MAGANA LLC | History | No change | 1 | 0 | — | — | — | 0 | 0.0% | Q4 2025 | Jan 14, 2026 |